.content {
    background: url("../images/1 (3).jpg") no-repeat center /cover;
}

    .content h2 {
        text-align: center;
        padding: 20px 0;
        color: #fff;
        font-weight: bold;
    }

    .content .chart_container {
        height: 500px;
        display: flex;
        margin: 0 40px;
        padding: 40px 40px;
        box-sizing: border-box;
        background: rgba(255,255,255,.9);
        align-items: center;
        justify-content: center;
    }
